Weather in Istanbul in June 2018

Expect 25°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Istanbul in June. Check more long-term weather averages for Istanbul in June before you book your next holiday to Turkey in 2018.

Guide to Istanbul weather in June

The average maximum daytime temperature in Istanbul in June is a warm 25°C (77°F) with low heat & humidity. The average night-time temperature is usually a comfortable 16°C (61°F). There are usually 11 hours of bright sunshine each day, which represents 74% of the 15 hours of daylight.

Expect 28mm (1.1 inches) of rainfall across the whole of June with 6 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

The average sea temperature in and around Istanbul in June is 21°C (70°F).